Class: Menilite::Router

Inherits:
Object
  • Object
show all
Defined in:
lib/menilite/router.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Router

Returns a new instance of Router.



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# File 'lib/menilite/router.rb', line 23

def initialize
  @classes = []

  ObjectSpace.each_object(Class) do |klass|
    @classes << klass if klass.subclass_of?(Menilite::Model, false)
    @classes << klass if klass.subclass_of?(Menilite::Controller, false)
    @classes << klass if klass.subclass_of?(Menilite::Privilege, false)
  end
end

Instance Method Details

#before_action_handlers(klass, action) ⇒ Object 



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# File 'lib/menilite/router.rb', line 33

def before_action_handlers(klass, action)
  @handlers ||= @classes.select{|c| c.subclass_of?(Menilite::Controller) }.map{|c| c.before_action_handlers }.flatten

  handlers = @handlers.select do |c|
    next true unless c[:options].has_key?(:include)
    [c[:options][:include]].flatten.any? do |includes|
      (classname, _, name) = includes.to_s.partition(?#)
      (classname == klass.name) && (name.empty? || name == action.to_s)
    end
  end

  handlers.reject do |c|
    [c[:options][:exclude]].flatten.any? do |exclude|
      (classname, _, name) = exclude.to_s.partition(?#)
      (classname == klass.name) && (name.empty? || name == action.to_s)
    end
  end
end

#routes(settings) ⇒ Object 



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# File 'lib/menilite/router.rb', line 52

def routes(settings)
  classes = @classes
  router = self
  Sinatra.new do
    enable :sessions

    classes.each do |klass|
      case
      when klass.subclass_of?(Menilite::Model)
        klass.init
        resource_name = klass.name
        get "/#{resource_name}" do
          PrivilegeService.init
          router.before_action_handlers(klass, 'index').each {|h| self.instance_eval(&h[:proc]) }
          order = params.delete('order')&.split(?,)
          data = klass.fetch(filter: params, order: order)
          json data.map(&:to_h)
        end

        get "/#{resource_name}/:id" do
          PrivilegeService.init
          router.before_action_handlers(klass, 'get').each {|h| self.instance_eval(&h[:proc]) }
          json klass[params[:id]].to_h
        end

        post "/#{resource_name}" do
          PrivilegeService.init
          router.before_action_handlers(klass, 'post').each {|h| self.instance_eval(&h[:proc]) }
          data = JSON.parse(request.body.read)
          results = data.map do |model|
            instance = klass.new model.map{|key, value| [key.to_sym, value] }.to_h
            instance.save
            instance
          end

          json results.map(&:to_h)
        end

        klass.action_info.each do |name, action|
          path = action.options[:on_create] || action.options[:class] ? "/#{resource_name}/#{action.name}" : "/#{resource_name}/#{action.name}/:id"

          post path do
            PrivilegeService.init
            router.before_action_handlers(klass, action.name).each {|h| self.instance_eval(&h[:proc]) }
            data = JSON.parse(request.body.read)
            result = if action.options[:on_create]
                       klass.new(data["model"]).send(action.name, *data["args"])
                     elsif action.options[:class]
                       klass.send(action.name, *data["args"])
                     else
                       klass[params[:id]].send(action.name, *data["args"])
                     end
            json result
          end
        end
      when klass.subclass_of?(Menilite::Controller)
        klass.action_info.each do |name, action|
          path = klass.respond_to?(:namespace) ? "/#{klass.namespace}/#{action.name}" : "/#{action.name}"
          post path  do
            PrivilegeService.init
            router.before_action_handlers(klass, action.name).each {|h| self.instance_eval(&h[:proc]) }
            data = JSON.parse(request.body.read)
            controller = klass.new(session, settings)
            result = controller.send(action.name, *data["args"])
            json result
          end
        end
      end
    end
  end
end